A Low-Sodium Diet for Kidney Disease
How reducing salt protects the kidneys and blood pressure.
Last updated: 2026-09-24
Sodium raises blood pressure and promotes fluid retention. For kidney patients, less salt means less swelling and less strain on the kidneys.
Practical steps
- Cook from scratch and reduce salt
- Avoid processed, packaged and pickled foods
- Use herbs, lemon and spices instead of salt
Frequently asked questions
Is rock salt healthier for the kidneys?
No — all salt is sodium and counts the same.